import axios from 'axios'
import { /* Notification,  */MessageBox, Message } from 'element-ui'
// import store from '@/store'
import { getToken, removeToken } from '@/utils/auth'
import errorCode from '@/utils/errorCode'
import Router from '@/router/index'
import { handleLogoutJump } from "@/utils/handleLoginSource"

axios.defaults.headers['Content-Type'] = 'application/json;charset=utf-8'

function pagePermission(name,allMenu,config) {
  allMenu = Array.from( allMenu )
  allMenu.forEach((item)=>{
    if( item.name == name ){
      var childCode = item.menuCode;
      config.headers['childCode'] = childCode;
    }else if ( item.children && item.children.length > 0 ){
      pagePermission(name,item.children,config);
    }
  });
}
// 创建axios实例
const service = axios.create({
  // axios中请求配置有baseURL选项，表示请求URL公共部分
  // baseURL: process.env.VUE_APP_BASE_API,
  // 超时
  // timeout: 30000
})
// request拦截器
service.interceptors.request.use(config => {
  // 是否设置childCode
  let name = Router.app.$route.name;

  // 首页路由不是后端返回没有menuCode,单独添加childCode
  if(name === 'IndexPage'){
    config.headers['childCode'] = 'indexPage666';
  }

  let allMenu = JSON.parse(localStorage.getItem('allMenu'));
  if( name && allMenu){
    pagePermission(name,allMenu,config);
  }
  
  // 是否设置parentCode
  let parentCode =  localStorage.getItem('parentCode') || '';
  config.headers['parentCode'] = parentCode;

  // 是否需要设置 token
  const isToken = (config.headers || {}).isToken === false
  if (getToken() && !isToken) {
    config.headers['Authorization'] =  getToken() // 让每个请求携带自定义token 请根据实际情况自行修改
  }
  
  return config
}, error => {
    console.log(error)
    Promise.reject(error)
})

// 响应拦截器
service.interceptors.response.use(res => {
    // console.log(res.headers)
    if(res.headers['content-disposition']){
      let header = res.headers['content-disposition']
      let filename = header.split(';')[1].split('=')[1]
      filename = decodeURIComponent(filename);
      localStorage.setItem('fileName',filename)
    }
    // 未设置状态码则默认成功状态
    const code = res.data.status || 200;
    // 获取错误信息
    const msg = errorCode[code] || res.data.msg || errorCode['default']
    if (code == 401) {
      MessageBox.confirm('登录状态已过期，您需要重新登录', '系统提示', {
          confirmButtonText: '重新登录',
          showCancelButton: false,
          type: 'warning'
        }
      ).then(() => {
        // store.dispatch('LogOut').then(() => {
        //   location.href = '/index';
        // })
        removeToken();
        handleLogoutJump();
        // location.href = '/login';
        // localStorage.clear();
      }).catch(() => {
        removeToken();
        handleLogoutJump();
        // location.href = '/login';
        // localStorage.clear();
      })
    } else if (code == 500) {
      Message({
        message: msg,
        type: 'error'
      })
      return Promise.reject(new Error(msg))
    } else if (code != 200) {
      // Notification.error({
      //   title: msg
      // })
      // return Promise.reject('error')
      // localStorage.clear();
      return res.data
    } else {
      return res.data
    }
  },
  error => {
    console.log('err' + error)
    // localStorage.clear();
    let { message } = error;
    if (message == "Network Error") {
      message = "后端接口连接异常";
    } else if (message.includes("timeout")) {
      message = "系统接口请求超时";
    } else if (message.includes("Request failed with status code")) {
      message = "系统接口" + message.substr(message.length - 3) + "异常";
    }
    Message({
      message: message,
      type: 'error',
      duration: 5 * 1000
    })
    return Promise.reject(error)
  }
)

export default service
